structuredAttrs is enabled

trying https://repo1.maven.org/maven2/io/ktor/ktor-serialization-kotlinx-json-jvm/3.5.0/ktor-serialization-kotlinx-json-jvm-3.5.0.jar
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  28651 100  28651   0      0 181.8k      0                              0